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食葵为油用向日葵,向日葵属菊科,长日照,为一年生直立而高大草本,常不分枝。向日葵油在工业上和制药业上也是一种不可缺少的原料。因此向日葵具有很好的开发前景。柴达木灌区海拔2600～3000m,年日照时数在3000h 以上,≥10℃有效积温1479～1849℃,以棕钙沙壤土为主。经多年的试验试种已成功,现将栽培措施介绍如下。1 品种的选择种植食葵要选用单位面积产量高,籽实含油率高、抗逆性强,适应性广的优良品种,目前青海省主要推广的品种有:美长嗑766(原代号766),食葵 H4(原代号SS88)。
Sunflower oil for sunflower, sunflower is Compositae, long sunshine, annual and upright and tall herbs, often unbranched. Sunflower oil is also an indispensable raw material in industry and in the pharmaceutical industry. Therefore, sunflower has a good development prospects. The elevation of Qaidam irrigation area is 2600 ~ 3000m, the annual sunshine duration is above 3000h, and the effective accumulated temperature≥10 ℃ is 1479 ~ 1849 ℃, dominated by brown-lime sandy loam. After years of trial planting has been successful, the cultivation measures are introduced below. Selection of a variety of cultivated edible Kwai to choose per unit area of high yield, high seed oil content, strong resistance, wide adaptability of varieties, the main varieties of promotion in Qinghai Province are: the United States Chang 766 (original code 766) Fresh sunflower H4 (original code SS88).